The ability of asegment of a glass sphere to magnify whatever is placed before it was known around the year 1000, when the sphericalsegment was called a reading stone,[…]. Scribes, illuminators, and scholars held such stones directly over manuscript pages as an aid in seeing what was being written, drawn, or read.
(botany) A portion of anorgan whosecells are derived from a single cell within theprimordium from which the organ developed.
1992, Rudolf M[athias] Schuster,The Hepaticae and Anthocerotae of North America: East of the Hundredth Meridian, volume V, Chicago, Ill.:Field Museum of Natural History,→ISBN, page 5:
In Lejeuneaceae vegetative branches normally originate from the basiscopic basal portion of a lateralsegment half, as in the Radulaceae, and the associated leaves, therefore, are quite unmodified.
(zoology) One of several parts of anorganism, with similar structure, arranged in achain; such as a vertebra, or a third of an insect'sthorax.
In “Treehouse Of Horror” episodes, the rules aren’t just different—they don’t even exist. If writers want Homer to kill Flanders or for asegment to end with a marriage between a woman and a giant ape, they can do so without worrying about continuity or consistency or fans griping that the gang is behaving out of character.
“segment”, inSlovníkový portál Jazykovedného ústavu Ľ. Štúra SAV [Dictionary portal of the Ľ. Štúr Institute of Linguistics, Slovak Academy of Science] (in Slovak),https://slovnik.juls.savba.sk,2003–2025
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